National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

45°F

7°C

Humidity 71%
Wind Speed SW 16 mph
Barometer 29.65 in (1003.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Jan 3:54 am EST
Extended Forecast for

Watertown MA

  • Today

    Today: A slight chance of rain between noon and 1pm. Mostly cloudy, with a high near 53. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: A chance of rain before midnight, then showers likely, mainly between midnight and 4am. Cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    then Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before 7am. Mostly cloudy, with a temperature falling to around 34 by 5pm. South wind 7 to 17 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F⇓

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Sunny, with a high near 31. West wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 28. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 35. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of rain between noon and 1pm. Mostly cloudy, with a high near 53. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Tonight
A chance of rain before midnight, then showers likely, mainly between midnight and 4am. Cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers, mainly before 7am. Mostly cloudy, with a temperature falling to around 34 by 5pm. South wind 7 to 17 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 31. West wind 11 to 18 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 27. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
A chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 28. Southwest wind around 5 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 35. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow before 8pm. Partly cloudy, with a low around 21. West wind around 7 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 33. West wind 7 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 21. Southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 30. West wind 8 to 13 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
2:10 am EST Jan 14, 2026
Forecast Valid:
4am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation